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Finding the Fourth Proportional to 64,011.45, 88,333.95 and 35,716.53

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Solution

The fourth proportional to 64,011.45, 88,333.95 and 35,716.53 is: 49,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.45 : 88,333.95 = 35,716.53 : x
  2. Step 2: Convert to fraction form
    64,011.45/88,333.95 = 35,716.53/x
  3. Step 3: Cross multiply
    64,011.45x = 88,333.95 × 35,716.53
  4. Step 4: Simplify right side
    64,011.45x = 3,154,982,175.19
  5. Step 5: Solve for x
    x = 3,154,982,175.19/64,011.45
  6. Step 6: Final answer
    x = 49,287.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.